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2013 Data and Maps
2012 Data and Maps
2011 Data and Maps
2010 Data and Maps
2009 Data and Maps
2008 Data and Maps
2006 Data and Maps
2005 Data and Maps
2004 Data and Maps
2003 Data and Maps
2002 Data and Maps
2001 Data and Maps
2000 Data and Maps
1999 Data and Maps
1998 Data and Maps
1997 Data and Maps
1996 Data and Maps

Traffic Flow Data and Maps - 2012 revised

The volumes on the map represent the Average Annual Weekday Traffic (AAWDT) (5-day, 24-hour) for that section of roadway.

For more information about traffic flow data, call 206-684-8163. A printed version of this map is available at Seattle Municipal Tower, 700 5th Avenue, 37th Floor, Permit Counter.

To download the complete map in PDF format, click here.

Due to construction activities, SDOT was not able to collect traffic data needed to calculate the Alaskan Way Viaduct’s 2012 traffic volume. For 2012 traffic data for the viaduct, please consult the WSDOT Traffic Volume Map or WSDOT’s Annual Traffic Report.

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